Table 4 Errors for the different small viscosities based on stabilized \(P_{2}\)–\(P_{2}\) pair

\(\operatorname{Err}(u_{1})\)

4.9393E−2

4.9283E−2

5.4135E−2

\(\operatorname{Err}(u_{2})\)

4.9196E−2

5.3924E−2

5.3904E−2

\(\operatorname{Err}(p_{1})\)

3.0189E−4

3.0190E−4

3.0190E−4

\(\operatorname{Err}(p_{2})\)

3.1022E−4

7.7659E−4

3.1042E−4